## hpr0700 :: Tech Tales of April's Past

 History of Computing

Don Lancaster https://en.wikipedia.org/wiki/Don_Lancaster

TV Typewriter Cookbook
Electronic kit to turn a TV and keyboard into a teletype replacement
Postscript as a language

Apple LaserWriter had a Postscript interpreter
Usable as a computational engine

Contributions to a number of magazines
April Fools joke: Apple II extension card using RS232 to make a small matter transporter

Bart Busschots (NosillaCast podcast and others)

Why does PDF run code and open security holes?


Notes added 2019-07-05
